+ // any point attribute is acceptable for the distance operation
+ return true;
+}
+
+bool SketchPlugin_DistanceAttrValidator::isValid(const FeaturePtr& theFeature,
+ const std::list<std::string>& theArguments,
+ const AttributePtr& theAttribute) const
+{
+ return isValid(theAttribute, theArguments);
+}
+
+bool SketchPlugin_DifferentObjectsValidator::isValid(const FeaturePtr& theFeature,
+ const std::list<std::string>& theArguments,
+ const ObjectPtr& theObject) const
+{
+ std::list<std::shared_ptr<ModelAPI_Attribute> > anAttrs =
+ theFeature->data()->attributes(ModelAPI_AttributeRefAttr::type());
+ std::list<std::shared_ptr<ModelAPI_Attribute> >::iterator anAttr = anAttrs.begin();
+ for(; anAttr != anAttrs.end(); anAttr++) {
+ if (*anAttr) {
+ std::shared_ptr<ModelAPI_AttributeRefAttr> aRef =
+ std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(*anAttr);
+ // check the object is already presented
+ if (aRef->isObject() && aRef->object() == theObject)
+ return false;
+ }
+ }
+ return true;
+}
+
+bool SketchPlugin_DifferentObjectsValidator::isValid(
+ const AttributePtr& theAttribute, const std::list<std::string>& theArguments ) const
+{
+ std::shared_ptr<ModelAPI_AttributeRefAttr> anOrigAttr =
+ std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(theAttribute);
+ if (anOrigAttr && anOrigAttr->isObject()) {